000 00324nam a2200133Ia 4500
008 221001s1978 xx 000 0 eng d
082 _a311.2 GUP
100 _aGupta, B. N.
245 0 _aStatistics: theory and practice
250 _a3rd ed.
260 _aAgra
_bSahitya Bhawan
_c1978
300 _a811p.
942 _2ddc
_cBK
999 _c12950
_d12950